package com.jiudu.gulimall.product.config;

import com.baomidou.mybatisplus.extension.plugins.inner.PaginationInnerInterceptor;
import org.mybatis.spring.annotation.MapperScan;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;

@Configuration
@MapperScan("com.jiudu.gulimall.product.dao")
public class MybatisConfig {

    @Bean
    public PaginationInnerInterceptor paginationInterceptor() {
        PaginationInnerInterceptor interceptor = new PaginationInnerInterceptor();
        // 设置请求的页面大于最大页后操作， true调回到首页，false 继续请求  默认false
        interceptor.setOverflow(true);
        // 设置最大单页限制数量，默认 500 条，-1 不受限制
        interceptor.setMaxLimit(500L);
        // 开启 count 的 join 优化,只针对部分 left join
        return interceptor;
    }
}
